Respuesta :

  • Answer:

d = 2√2

  • Step-by-step explanation:

Hi there !

use formula

d = √(x₂ - x₁)² + (y₂ - y₁)²

= √(3 - 1)² + (4 - 2)²

= √2² + 2²

= √4 + 4

= √8

= √2³

= 2√2

(1 ; 2)

1 = x₁ ; 2 = y₁

(3 ; 4)

3 = x₂ ; 4 = y₂

Good luck !